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A student wants to determine the density of an unknown metal by measuring the displacement in a graduated cylinder and using mass by difference. If the mass of an empty weighing jar is 23.4568 g and the mass of the jar with the metal inside is 36.8320 g, and the volume in the graduated cylinder increases from 5.70 mL to 12.30 mL, calculate the density with uncertainty. The uncertainty for a measurement on an analytical balance ispm0.0001 gand the uncertainty of in the graduated cylinder ispm0.03 mL
how to interpret hnmr spectra of 1-naphthol, why are the signals that occur more upfeild occuring more up feild. and likewise why are the signals occuring more downfield occuring downfield?
Draw the major organic product formed in the following reaction. (The reaction stoichiometry is 1 mol reactant: 1 mol Br2.)
Draw the structure of the product likely to be obtained from the reaction between acetoacetic ester, bromobenzen & 2 molor equivalents
Write the chain propagation steps for the formation of dichloromethane in the chlorination of methane
Determine the energy of an electron in the given quantum level of each of the following ions. (Hint: Each of the ions has a different number of protons
Can you show me how to solve this Question? In the following reaction, which reactact is a Bronsted-Lowry Acid?
What is the final temperature (in oC) of a 37.6 g sample of graphite (specific heat = 0.720 J/(g K)) which absorbs 9.82 kJ of heat when it warms from 12.56oC
A solution of acetic acid, HC2H3O2, on a laboratory shelf was of undetermined concentration. If the pH of the solution was found to be 2.39, what was the original concentration of the acetic acid
2KClO3 + heat > 2KCl + 3O2, How many moles of O2 form as 3.0 mol of KClO3 are totally consumed.
The temperature of the entire system rose from 25.30 °C to 26.59 °C. Calculate the heat of reaction, in kJ, per mole of KOH(aq).
If equal masses of H2 and O2 (100.0 grams each) are reacted together to produce water, how many grams of water could be produced.
calculate the concentrations of h+, oh-, f-, and undissociated hf molecules in 0.10 M hf. Ka for HF is 7.1x10^(-4).
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